你好，(1+3i)^3 = (1+3i)(1+3i)(1+3i)
= (1+3i)(1+3i+3i-9)
= (1+3i)(-8+6i)
= -8+6i-24i-18
= -26-18i
1+3i的三次方怎么算
1+3i的三次方等于（1+3i）³=1³+3×1²×3i+3×1×（3i）²+（3i）³=1+9i-27-27i＝28-18i
1+3i的三次方怎么算
投稿：淡然微笑
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发布时间：2023-11-12 15:31:10
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